42062561 has 16 divisors (see below), whose sum is σ = 46707840. Its totient is φ = 37699200.

The previous prime is 42062521. The next prime is 42062563. The reversal of 42062561 is 16526024.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42062561 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42062561.

It is not an unprimeable number, because it can be changed into a prime (42062563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43661 + ... + 44613.

It is an arithmetic number, because the mean of its divisors is an integer number (2919240).

Almost surely, 2^42062561 is an apocalyptic number.

It is an amenable number.

42062561 is a deficient number, since it is larger than the sum of its proper divisors (4645279).

42062561 is a wasteful number, since it uses less digits than its factorization.

42062561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 42062561 is about 6485.5655882891. The cubic root of 42062561 is about 347.7751691061.

Adding to 42062561 its reverse (16526024), we get a palindrome (58588585).

The spelling of 42062561 in words is "forty-two million, sixty-two thousand, five hundred sixty-one".